Ice scoring machine



July 3, 1928, 1,676,192

A. M. LEE

ICE SCORING MACHINE Fil ed May 23, 1927 4 Sheets-Sheet 1 l;3 g x July 3, 1928. 1,676,192

A. M. LEE

ICE SCORING MACHINE Filed May 23, 1927 4 ,Sheets-Sheet 2 AMLee July 3, 1928.

A. M. LEE

ICE SCORING MACHINE Filed May 25, 1927 4 Sheets-Sheet July 3, 1928. 1,676,192

A. M. LEE

ICE SCORING MACHINE Filed May 23, 1927 4 Sheets-Sheet 4 Q4 80: we 14.

Cal

Patented July 3, 1928.

UNITED STATES PATENT OFFICE.

AUBREY M. LEE, OF DALLAS, TEXAS, ASSIGNOB TO SIMPLEX ICE AND MANUFACTUR- ING COMPANY, OF DALLAS, TEXJiS, A CORPORATION OF TEXAS.

ICE-SCORING MACHINE.

Application filed May 23,

This invention relates to new and useful improvements in ice-scoring machines.

The invention relates to that type of machines set forth in my Letters Patent No. 1,521,449, issued December 30, 1924, and involves certain improvements thereover and departures therefrom.

Animportant object of the invention is to provide a feed drive separate from the saw drive, so as to be independently controlled; and also to make said feed drive reversible so that the cake of ice may be run through the machine from either side.

A particular object of theinvention is to provide saw adjusting means, whereby the relative spacing of the saws and the consequent spacing of the scores may be controlled and regulated. in a simple, easy and expeditious manner.

Another object of the invention is to provide horizontal guides for the cakes of ice in its passage through the machine, together with a single chain conveyor having guides for maintaining itsengagement with the ice cake; whereby the use of double chain conveyors is eliminated and more accurate and positive feed is had.

A further object of the invention is to provide a hinged guard permitting the passage of the cakes of ice, but preventing the op erator from falling into the machine between the saws.

A construction designed to carry out the invention will be hereinafter described, together with other features of the invention.

The invention will bemore readily understood from a reading of the following specification. and by reference to the accompanying drawings, in which an example of the invention is shown and wherein:

Fig. 1 is a side (BlBVZltlOlhOT an ice scoring machine constructed in accordance *ith my invention,

Fig. 2 is an end elevation of the same,

Fig. 3 is a longitudinal sectional view taken on the line 3 -3 of Fig. 2,

Fig. 4 is a transverse sectional. view taken on the line 44 of Fig. 1.,

Fig. 5 is a horizontal cross-sectional view taken on the line 55 of Fig. 1.,

Fig. 6 is a transverse sectional view taken on the line 6-6of Fig. 1,

Fig. 7 is a detail of the saw adjustment arm,

Fig. 8 is a side elevation of another form angular in cross-section.

1927. Serial No. 193,452.

in which the invention may be carried out, and

Fig. 9 is an end elevation of the same.

In the drawings the numeral 10 designates a base plate having upright frame members 11 and 12 respectively secured thereto on each side. Each side frame member is triangular in shape with its apex cut off, said frames preferably being constructed of an gular metal bars and each having a sill l3 extending longitudinally of the frame. The frame also includes upright members or supports each comprising vertical standards 14; The standards 1% support a cap member 15 at their tops.

A pairof vertical saw shafts 16 are suitably supported at their lower ends in journal boxes 17 secured to the inner sides of the sills. Each shaft 16 has connection, by means of a coupling 18, with the armature shaft 19 of a vertically disposed. electric mot or 20 supported on stools 21 securely fastened on the cap member 15. The shafts 16 are disposed centrally of the frame members 11 and 12, as well as centrally between each pair of standards 14 of each framemember.

On each saw shaft 1 have shown four saws which I have designated by the letters A, B, C and D and ranging from top' to bottom, although the number of saws may be varied. Each, saw has a hub 22 and the hubs of the saws A and B are fastened on the shafts by set screws and are stationary thereon, but their elevation may be changed if desired. The hubs 22 of the saws C and D each have lcey-ways 24L (Fig. 7) for receiving a key. or spline 25 carried by their respective saw shafts. This permits the low er saws C and D to be adjusted vertically on the saw shafts.

The saws are rotated by the shafts 16 and are located on each side of the machine so as to cut opposite sides of a cake of ice inserted therebetween. It is customary to freeze ice cakes in rectangular form. the cake having a greater dimension longitudinally than transversely. llhijis, when a cake inserted with its greatest dimension vertically, it is said to be in the vertical or upright position and when it is inserted in the machine with its greatest dimension longitudinally, it is said to be in the horizontal or longitudinal position. When the calze is in its vertical position, its opposite sides willbe hanger carries a bracket arm E l having its scored by all the siii'ws. ll "hen it in its horizontal position the cake will be scored either by the bottom saw I) or both the saws *arried by the standards,

Each pair of bars '26 is connected by a cross-head 29 havinga block 30 in its center. The bars 26 are slidab'lethrough the cap '15 asis best shown in Fig. 3. Brackets '31 are fastened on the cap and have vertical adjusting'serews 32 rotatahly coniined therein.

'l 'he screws have screw-tilreaded engagement i n the blocks 30 and each has a hand-wheel 33 on its upper end. By rotating the hand wheel. the hanger will be adjusted vertically by i'OhSOn oi the vertical movement of the block ill) on the screw 32. Each ()ii tllt, bars 26 of one of the hangers carries a saw bracket 34 which rigidly attached thereto and has itsoutzju? end 'l'orked to engra re in a circuii'rierentiel slot 35 or the hub 252 of the saw 0. Each of the bars 26 of the outer end forked to engage in a circumferential groove 35 of the hub 22 ol the saw D, the parts described being of substantially thesalhe construction. It will be seen that the saws C are collectively adjustable independently olf'the saws D and by turning; one of the hand-wl'ieels gifithe saws C may'be adjusted v while by turning the other handulrcel 33 the saws D maybe adj llfilted.

The base plate 10 is made smooth so that a cake of ice may be readily slid'between the frame members ll and 12. In my patent hereinbe'l'ore referred to, I employed. two chain conveyors and operated them by'the saw operating motors. In my 'in'iproved form, I employ oniyone chain conveyor and operate the same with a separate motor. whereby it maybe individually controlled separate 1? rom the drivingmeans of the saw.

In order to successl'ully use a single chain conveyor, I provide guide ails 36 disposed along: the inner sides oi? the sills l3 and can ried by studs 37 whereby they are spaced from, said sills as well as being spaced from each. other at such a distance as to prevent undue lateral dis 'ilacement oi? the cake of ice when passing longitudinally therebetween. The endsot each guiderail 36 are curved outwardly toward'the sill so as not to interfem-a with the introduction of the cake or ice. I have sl'iown the rails formed of shallow channel n'ieniberswhich are very satisfactory because they only present-narrow surfaces to the cake and thus offer less ture guide rails.

revenge bracket 43 Ctt'll ing an upright stub shaft i l on whicha sprocket wheel. 45 is journalcd. The chain 4:0 passes around this sprocket wheel and also around a driving sprocket wheel ll) at the opposite end of the iElfiD'iG member. The sprocket wheel. 4-6 is mounted on the upper end of a vertical drive shaft 47 protruding l rom a worm drive d8 which is mounted on a bracket 49. A horizontal guard plate is fastenedover the sprocket,

4.6 and a similar guard plate 51is ttastened to the trameover the sprocket li'i.

An ele tric motor 52 lS'll'l0U1'li/(tl0Hi tllG Ellfll l3 Uiil the frame member ll and has its armashatt 53 connected vvlththeavorm gear whereby motion is imparted to'the shalt 4-7 andv the chain 40 propelled by mean-s o f the sprocket By reason of the guide members ll and the chain 40 can not nor can it be displaced outwardly away i in the cake of ice passing between the The inner leg or the chain is disposed outwardly of-the underlying guide rail 86 so as not'to interfere with the pew e of the cake of ice. This chain carries a single propelling finger Mwhich extends at ri -htangles to the chain and projects inwardly beyond the guide railsoas to engage one end 0-; a czkeol ice and slide it along the base plate 10 between the guide rails. Que oi the important "features is the connection of a double throw switch with the motor 52 whereby said chain lO may be driven in either direction so as to carry either side.

In using the machine the cake of ice is first introduced in its vertical. position from the left hand end of the machine (Figs. l and 3). it is pushed onto the base plate 10 and between the guide rails and 38 far enough tior the linger Set to swing in behind and engage the trailing vertical sideof the cake. The saws A. B. C and Dhavine' been previously adjusted, the'broad vertical sides of the cake oi? ice are scored as said cake is slid therebetweenby theconveyor chain 40 and its finger 54-.

To prevent'the operator from falling; into the machine from the right'handeiid, (Fins. 1. and 3) a U-shaped guard yoke 56 is hir e on a pintle 57 mounted at one end oi. the cap 15. The yoke has filler straps 58 swinging" betwen the rails 38. A handle 59 is Ill) rigidly attached to the cap above the yoke. The ice cake swings the guard outwardly and slides thereunder.

After the cake of ice has been scored in its vertical. position, it is tilted to its horizontal position and slid onto the base plate 10 from the right hand end (Figs. 1 and 3) of the machine. The saws A and B will be above the cake and the wheels 33 are rotat ed to adjust the hanger bars 26 to vertically adjust the saws C and l). The switch is adjusted to reverse the motor 52 so that the chain 40 travels through the machine from right to left 1 and 3).

The guard yoke is held in position by stops on the extreme right hand ends of the frame members 11 and 12 and the cake in its horizontal position will pass under the guard. Itwill be seen that inhandling the cake of ice, the workman could not fall toward the saws without striking the guard yoke. The cake of ice having been slid into the machine in its horizontal position will be engaged by the finger 5t and pushed between the saws C and, D or merely the saw 1), according to the adjustn'ient. Shield plates 61 conforming to the general shape of the frame members 11 and 12 are hinged at their upper ends to the tops of said members. Each shield plate has a pair of hooks 62 at its lower portion engaging the top flange of the adjacent sill, whereby said plates are in clined outwardly on the outside of the frame, thus shielding the workmen from the saws and the conveyor chain. 1

In Figs. 8 and 91 have shown another form of scoring machine involving certain features of the invention. In this form side framemembers 11 and 12 are mountedon a base plate 10 and include sills 13. Standards 1 1 secured to the sills and frame mem bers support a cap 15. Saw shafts 16 mounted in bearingliioxes 17 are connected to motor shafts 19 by couplings 18. MotorsQO are mounted on the stools 21 on the cap, all of the parts thus described are substantir-tlly like those of the other form of machine. 7

I have shown three saws A, B, and C on each shaft, but this number subject to change. The hubs 22of the saws A and B are fastenedon the saw shafts by set scrr-rws 3. Each shaft 16 has a spline 25 and the hub 22 of the saw C is mount having an adjusting block of) receiving a screw 32 rotatably confined in a bracket 31 and provided with a hand wheel 33. A

forked bracket 34; engages in a circular groove 35*.011 the .hub of each saw C and is secured. to one of the bars 26. It will be stantially the same as those set forth in connection wth the first form except as to one pair ofhangers and a pair of saws.

In this latter form the guide rails and the conveyor are omitted. For sliding a cake of ice in its vertical position through the machine from right to left (Fig. 8), I mount. a T-shaped pusher bar or hand conveyor in hanger guides 71 adjustably sus pended from the cap 15, whereby said bar may be raised or lowered. On the ends of the bar I mount handles 7 A beveled dog 73 is notched and pivoted to the depending T ofthe pusher bar so as to swing. The dog is free to swing to the left (Fig. 8) but is prevented from swinging to the right by a stop 74. \Vhen the bar 70 is pushed to the left (Fig. 8) and there is, a cake of ice in the machine,the dog 73 will engage the cake and the stop 74: will prevent swinging of the dog. Thus upon continued pushing of the bar, the cake will be pushed from the machine. 7

Various changes in the size and shape of the different parts, as well as modifications and alterations, may be made within the scope of the appended claims.

What I claim, is:

1. In an ice scoring machine, a frame, vertical saw shafts mounted on said frame, circular saws carried by said shafts, one saw on each shaft being adjustable vertically thereon, and a hanger carried by the frame and connected with said adjustable saws for adjusting the same. 1

2. In an ice scoring machine, a frame, vertical saw shafts mounted on said frame, circular saws carriedbysaid shafts, one saw on each shaft being adjustable vertically thereon, a hanger carried by the frame and connected with said adjustable sawsfor adjusting the same, and means for sliding a cake of ice through the machine between the saws.

In an ice scoring machine, a frame, upright standards carried'by the frame, a cap mounted on the. standards, vertical saw shafts rotatable in the frame between the stand ards, circular saws carried by said shafts on each side of theframe', one saw on each shaft being adjustable verticallythereon, hanger bars mounted to slide vertically on the standards, connecting members attached to the hanger bars and with which'said adjustable saws are engaged, a cross member for connecting the hanger bars, and means mounted on the cap and connected with said connecting means for vertically-adj usting the hanger bars; V 1

In an ice scoring machine, a frame up right standards carried by the frame, a cap mounted on the standards, vertical saw shafts rotatable .in the frame between the standards, circular saws carried by said ldt) lit)

shafts on "each side of the frame, one saw on each shaft being adjustable vertically thereon, hanger bars mounted to slide vertically onthe stai'idards, connecting members attached tothe hanger bars and withwhich said rbtatable saws are engaged, a cross member for connecting the hanger bars,

means mounted on the cap and connected with said minneeting members "for vertically adjusting the hanger bars, and means for on each shaft being adjustable vertically thereon, hanger barsinounted to slide vertically on the standards, connecting members attached to the hanger bars and with which said rotatable saws are engaged, a crossmemher for connecting the hanger bars, means mounte'd on the cap and connected with said connecting members for vertically adjusting the hanger bars, and fi'neans for sliding a cake of ice through the machine between the saws, said sliding means being reversible for sliding a cake of ice through the machine in either direction. v

6. In anice scoring machine, a longitudinalbase plate, upright side frame members mounted longitudinally on said plate, spaced upright standards secured to each frame member, whereby a receiving passage is provided bet-ween the frame members and standards for a cake of ice, a capmounte'd on the upper-ends of the standards, Vertical rotatablesaw shafts mounted betweemthe standards on each side ofthe machine, horizontal circular saws mounted on said shafts and projecting i'nto the passage between the frame menibers,'means mounted "on the cap for rotating the saw shafts, the lowermost saw on each shaft being vertically adjustable thereon and rotatable therewith, a hanger bar mounted toslide on one of the standards on eachside of the machine, an adjusting arm extending fro'n'rthe hanger bar to the said lower saw, and means on the cap cIonnectedfwith the hanger bars for :vertically adjusting the same. b I.

7 In an ice scoring machine, a longitudinal base plate,- upright side flame members mounted longitudinally on said plate; spaced uprightstandards secured to each frame member, whereby a receiving passage is provided between the frame members and standards for a cake of ice, a cap mounted on thedmpper ends of the standards, vertical rotatable saw shafts mounted between the standards oneach side of the-maehine, horizontal circular saws mount-colon said shafts and projecting into the passage between the reverse f *ain-e members, means mounted on the cap for rotating the saw shafts, the lowermost saw on each shaft being vertically adjustable thereon and rotatabletherewith, a hanger barn'iounted to slide on one of the standards on each side of the machine, an adjusting arm extending from the hanger barto the said lower saw, means on the cap connected with the hanger bars for vertically adjustingthe same, and a conveyor member movable longitudinally of the machine for en gaging and sliding a cake of ice along the base plate and between the saws.

8. In an ice scoring machine, an upright frame,'verticalsaw shafts rotatably mounted in theframe, a plu 'ality of circular saws mounted on each shaft and some of said saws being vertically adjustable, hangers mounted in the frame, connections between the hangers and the adjustable saws, apair or, adjusting screws mounted on theframe each having connection with a hanger, means for rotating said'screws to vertically move the hangers and adjust the saws, a chain conveyor carried by the frame, guide rails carried bythe frame for receiving a cake of ice therebetween, and means for driving said conveyor. v

9. In an ice scoring macl1ine,the combination ofa saw mounted at each side of the machine in a position to cut a horizontal kerf. and means for simultaneously adjusting the saws vertically, substantially as set forth. I v V I 10. In an ice scormgmachme, the combination of apair of spaced saws mounted in a mannerto cut ker'fs on opposite sides of a cake of icein the same relativeposition and substantially parallel to one'side of the machine, and "means for simultaneously act justing the saws at right angles to the kerf which they cut, snbstantiallyas set forth.

11. In an ice scoring machine, an upright saw shaft mounted at each side of the machine, one or more pairs of oppositely dis posed saws mounted on said shafts to make kerfs on opposite sides of a; cake of'ice in the same relative position, and me'ansfor simiiltaneously adjusting one or more pairs of said oppositely disposed saws longitudinally of their shafts without changing their.

relative positions, substantially as set forth,

12. In an ice'scoring machine, pair of spaced parallel saw shafts, pairs'of saws mounted on said shafts in a manner to make kerfs in. the same relative position on the opposite sides of a cake of ice, and means for simultaneously adjusting one or more of said pairs of saws longitudinally of their shafts without changing their relative positions, substantially'as set forth.

13. In an ice scoringmachine, a'p'air of spaced parallel saw shafts, pairsof saws mounted on sand shafts n a manner to make kerfs'm the same relativeposltion on the opposite sides of a cake of ice, means for simultaneously adjusting one or more of said pairs of saws longitudinally of their shafts Without changing their relative positions, and a movable guard at one end of the machine, substantially as set forth.

1%. In an ice scoring machine, a pair of spaced parallel. saw shafts, pairs of saws mounted on said shafts in a manner to make keris in the same relative position on the opposite sides of a cake of ice, means for simultaneously adjusting one or more of said pairs of saws longitudinally of their shafts Without changing their relative positions, and a shield plate mounted at each side of the machine outwardly of the saws,

substantially as set forth.

15. In an ice scoring machine the combination of an upper set of scoring saws mounted in position to cut horizontal keris 011 opposite sides of a cake of ice, a lower set of scoring saws mounted also in position to cut horizontal kerfs on opposite sides of the cake of ice, and means for si1nultaneously adjusting the lower set of scoring saws toward and from the upper set of saws, substantially as set forth.

In testimony whereof I afiix my signature.

AUBREY M. LEE. 

